The thegentlemen ransomware group listed Tulsat on its data leak site on 2026-10-16. Country: KZ Sector: Technology Domains named: tulsat.com Claim as published on the leak site: tulsat.com TULSAT leading US distributor and repair center for cable TV (CATV) equipment — headend gear, fiber nodes, amplifiers, taps, power supplies — founded 1985 by brothers David and Ken Chymiak in Broken Arrow, OK (100,000+ sq ft). From a bankruptcy buyout it became exclusive Master Distributor and authorized service center for Scientific-Atlanta (now Cisco), plus Motorola/Arris, CommScope, ATX, Quintech. It merged into public ADDvantage Technologies (NASDAQ: AEY) in 1999 (peak revenue $50